JPH01124925U - - Google Patents
Info
- Publication number
- JPH01124925U JPH01124925U JP1771188U JP1771188U JPH01124925U JP H01124925 U JPH01124925 U JP H01124925U JP 1771188 U JP1771188 U JP 1771188U JP 1771188 U JP1771188 U JP 1771188U JP H01124925 U JPH01124925 U JP H01124925U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- disk
- dropout
- objective lens
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1771188U JPH01124925U (zh) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1771188U JPH01124925U (zh) | 1988-02-12 | 1988-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124925U true JPH01124925U (zh) | 1989-08-25 |
Family
ID=31231737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1771188U Pending JPH01124925U (zh) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124925U (zh) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940355A (ja) * | 1982-08-30 | 1984-03-06 | Hitachi Ltd | デイスク再生装置のドロツプアウト補償回路 |
| JPS59167878A (ja) * | 1983-03-14 | 1984-09-21 | Hitachi Ltd | デイスク再生装置 |
-
1988
- 1988-02-12 JP JP1771188U patent/JPH01124925U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940355A (ja) * | 1982-08-30 | 1984-03-06 | Hitachi Ltd | デイスク再生装置のドロツプアウト補償回路 |
| JPS59167878A (ja) * | 1983-03-14 | 1984-09-21 | Hitachi Ltd | デイスク再生装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY113257A (en) | Disk driving device and method for optical recording and reproduction with acceleration/deceleration of focusing means being based on a focus error signal level | |
| JPH1139665A (ja) | 多層光記録媒体用フォーカス制御装置 | |
| JP2706294B2 (ja) | 光学的情報記録再生装置 | |
| JPH1139664A (ja) | 多層光記録媒体用フォーカス制御装置 | |
| CA2005341A1 (en) | Recording and/or reproduction apparatus of an optical disc | |
| JPH01124925U (zh) | ||
| JPH0199486A (ja) | ピックアップ駆動用リニアモータの制御装置 | |
| JPH077528B2 (ja) | 光学式情報記録装置 | |
| JPH0337187Y2 (zh) | ||
| JPS6265241A (ja) | フオ−カスサ−ボ装置 | |
| JPS61156540A (ja) | 光情報記録再生装置 | |
| JP2789131B2 (ja) | 光磁気記録再生装置の磁気ヘッド浮上量制御方式 | |
| JPS6399317U (zh) | ||
| JPS63298822A (ja) | 光ピックアップの制御方式 | |
| JPH0439130B2 (zh) | ||
| JPH0583970B2 (zh) | ||
| JPH0226126U (zh) | ||
| JPS648220U (zh) | ||
| JPH059854B2 (zh) | ||
| JPS6085444A (ja) | トラツキングサ−ボ回路 | |
| JPH0380526U (zh) | ||
| JPH03142722A (ja) | 光ディスク装置 | |
| JPS61156541A (ja) | 光情報記録再生装置 | |
| JPS59180226U (ja) | 光学再生装置 | |
| JPH0254432A (ja) | 光ヘッド |